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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 819 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (Avalanche/Xlt L18) >> Installation Procedure

Installation Procedure

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  1. Install the outlet heater hose (1).
  2. Install the outlet heater hose to the radiator.
    Fig 1: Installing Outlet Heater Hose To Radiator
    G01454313Courtesy of GENERAL MOTORS CORP.
  3. Connect the heater and surge tank hoses to the heater core.

    Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  4. Install the heater and surge tank hose to the mounting clip.
  5. Install the air intake tube.
  6. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
    Fig 2: Connecting Heater Hoses To Heater Core Outlet Using J 43181
    G01454314Courtesy of GENERAL MOTORS CORP.
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